Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method of capturing an image by an electronic device, the method comprising: measuring ambient brightness; emitting a light source by controlling a brightness strength of the light source and an exposure time of the light source to capture an image based on the measured ambient brightness; generating a plurality of frames by capturing the image based on the emitted light source; and selecting at least one frame from among the generated plurality of frames, wherein the at least one frame is selected based on signal to noise ratios (SNRs) of the generated plurality of frames and brightnesses of the generated plurality of frames.
This invention relates to image capture techniques for electronic devices, particularly in low-light conditions where ambient brightness is insufficient for clear imaging. The method addresses the challenge of producing high-quality images in dim environments by dynamically adjusting artificial lighting and optimizing frame selection. The process begins by measuring ambient brightness to assess lighting conditions. Based on this measurement, an electronic device emits a light source, such as a flash or LED, with controlled brightness strength and exposure time to ensure proper illumination for image capture. The device then generates multiple frames of the subject under these lighting conditions. To enhance image quality, the method evaluates the captured frames by analyzing their signal-to-noise ratios (SNRs) and brightness levels. Frames with higher SNR and optimal brightness are selected, ensuring the final image has minimal noise and proper exposure. This approach improves low-light photography by combining adaptive lighting with intelligent frame selection, reducing the need for post-processing corrections. The technique is applicable to smartphones, cameras, and other imaging devices operating in low-light scenarios.
2. The method of claim 1 , wherein the emitted light source is synchronized with at least one of a vertical synchronization signal or a horizontal synchronization signal.
This invention relates to a method for synchronizing an emitted light source with display synchronization signals in a visual system. The problem addressed is the need to precisely coordinate external light sources with the refresh timing of displays to improve visual effects, reduce flicker, or enhance tracking accuracy in applications like augmented reality, motion capture, or display calibration. The method involves emitting light from a light source while synchronizing its operation with at least one of a vertical synchronization signal or a horizontal synchronization signal. The vertical synchronization signal typically marks the start of a new frame in a display, while the horizontal synchronization signal indicates the start of a new line within a frame. By aligning the light emission with these signals, the system ensures that the light pulses occur at consistent intervals relative to the display's refresh rate, preventing visual artifacts and improving temporal alignment between the light source and displayed content. This synchronization can be used in various applications, such as structured light projection for 3D scanning, where precise timing ensures accurate depth mapping. It may also be applied in display calibration systems to measure and adjust display performance metrics like brightness and color consistency. Additionally, the method can enhance motion tracking by reducing motion blur in high-speed imaging systems. The synchronization ensures that the light source's output is phase-locked to the display's refresh cycle, enabling reliable and repeatable interactions between the light and the displayed content.
3. The method of claim 2 , wherein the emitting of the light source comprises synchronizing the brightness strength of the light source and the exposure time of the light source with timing of at least one of the vertical synchronization signal or the horizontal synchronization signal.
This invention relates to a method for controlling a light source in a display system, particularly for synchronizing the light source's brightness and exposure timing with display synchronization signals to improve image quality. The method addresses the problem of visual artifacts, such as flicker or uneven brightness, that can occur when a light source is not properly synchronized with the display's refresh rate. The method involves emitting light from a light source, where the brightness strength and exposure time of the light source are synchronized with at least one of the vertical synchronization signal (V-sync) or the horizontal synchronization signal (H-sync) of the display. The vertical synchronization signal controls the refresh rate of the entire display frame, while the horizontal synchronization signal controls the refresh rate of individual scan lines. By aligning the light source's brightness and exposure timing with these signals, the method ensures consistent illumination across the display, reducing flicker and improving visual clarity. The method may also include adjusting the brightness strength and exposure time of the light source based on the synchronization signals to optimize brightness levels for different display content. This synchronization can be applied to various types of light sources, including backlights or frontlights in display systems, to enhance image quality and user experience. The technique is particularly useful in high-refresh-rate displays, where precise timing is critical to maintaining smooth and flicker-free visuals.
4. The method of claim 2 , wherein the emitting of the light source comprises emitting a first light source and a second light source alternately based on an active interval of the vertical synchronization signal.
This invention relates to a method for controlling light emission in a display system, particularly for reducing motion blur in visual displays. The problem addressed is the perception of motion blur in fast-moving images, which occurs due to the persistence of light emission during frame transitions. The method involves synchronizing light emission with the vertical synchronization signal (V-sync) of the display to minimize blur. The method includes emitting a first light source and a second light source alternately, with each emission timed to an active interval of the V-sync signal. The first and second light sources may be different types of illumination, such as backlight sources or front-facing light emitters, and their alternating emission reduces the overall light persistence time. By controlling the timing of these emissions, the method ensures that light is only active during specific intervals, thereby reducing the overlap between consecutive frames and improving motion clarity. The method may also involve adjusting the intensity or duration of the emitted light based on the V-sync signal to further optimize image quality. The alternating emission pattern helps maintain brightness while minimizing motion artifacts, making it suitable for high-speed displays, gaming, or other applications requiring sharp motion rendering. The synchronization with V-sync ensures compatibility with standard display systems while enhancing visual performance.
5. The method of claim 2 , wherein the generated plurality of frames correspond to frames generated in a unit of predetermined time in an active interval of the vertical synchronization signal.
A method for generating frames in a display system addresses the challenge of synchronizing frame generation with the vertical synchronization signal (VSS) to ensure smooth and consistent visual output. The method involves producing a plurality of frames during an active interval of the VSS, where the frames are generated in units of predetermined time. This ensures that frame generation aligns precisely with the display's refresh rate, preventing visual artifacts such as tearing or stuttering. The method may include preprocessing input data to optimize frame generation, such as adjusting resolution, color depth, or other display parameters, before rendering the frames. The frames are then output to a display device in synchronization with the VSS, ensuring that each frame is displayed at the correct time. This approach improves display performance by maintaining synchronization between frame generation and the display's refresh cycle, particularly in applications requiring high frame rates or low-latency rendering, such as gaming or video playback. The method may also include error handling to detect and correct synchronization issues, ensuring continuous and stable frame output.
6. The method of claim 1 , wherein the controlling comprises controlling the brightness strength of the light source to be brighter than the ambient brightness.
A method for adjusting the brightness of a light source in response to ambient lighting conditions. The method addresses the problem of insufficient visibility or contrast in environments where ambient light levels are low, ensuring that the light source remains sufficiently bright to provide clear visibility. The method involves monitoring the ambient brightness of the environment and dynamically adjusting the brightness strength of the light source to exceed the detected ambient brightness. This ensures that the light source remains distinguishable and effective in low-light conditions. The adjustment may involve increasing the brightness of the light source when ambient light is dim, thereby enhancing visibility and reducing eye strain. The method may also include additional control mechanisms, such as adjusting the light source's intensity based on predefined thresholds or user preferences, to optimize performance in varying environments. The system may incorporate sensors to detect ambient light levels and a controller to regulate the light source's output accordingly. This approach improves usability in low-light scenarios by maintaining adequate brightness contrast between the light source and its surroundings.
7. The method of claim 1 , further comprising tracking a point of a user eye gaze based on the selected at least one frame.
A system and method for eye gaze tracking in video content involves analyzing video frames to determine a user's point of gaze. The method captures video frames from a video source, such as a camera or pre-recorded content, and processes these frames to identify regions of interest. The system selects at least one frame from the video sequence for gaze tracking, then determines the user's eye gaze point based on the selected frame. This involves detecting the user's eye position and orientation within the frame to calculate where the user is looking. The method may also include adjusting tracking parameters based on environmental conditions, such as lighting or user movement, to improve accuracy. The system can be used in applications like virtual reality, augmented reality, or user interface interaction, where understanding a user's gaze direction is critical for enhancing immersion or controlling digital interactions. The method ensures reliable gaze tracking by dynamically selecting optimal frames and compensating for variations in the video input.
8. The method of claim 1 , further comprising: identifying a point of a user eye gaze based on the selected at least one frame; displaying, on a display unit of the electronic device, a user interface for controlling a screen of the display unit based on the identified point of the user eye gaze; and executing a function according to a predetermined menu on the user interface selected based on the identified point of the user eye gaze.
This invention relates to eye-tracking technology for controlling electronic devices. The problem addressed is the need for intuitive, hands-free interaction with electronic devices, particularly for users with limited mobility or in situations where manual input is impractical. The invention provides a method for controlling a device using eye gaze tracking, where a camera captures images of a user's eyes, and at least one frame is selected for analysis. The selected frame is processed to identify the point of the user's eye gaze on a display. A user interface is then displayed on the device's screen, allowing the user to control the device by looking at different menu options. The system executes functions based on the user's gaze selection, enabling hands-free operation. The method may also include adjusting the user interface based on the identified gaze point, such as highlighting or selecting menu items. The invention improves accessibility and convenience by enabling precise control of electronic devices through eye movements alone.
9. The method of claim 8 , wherein the executing of the function comprises: determining whether a cursor displayed according to the identified point of the user eye gaze is located on the predetermined menu of the user interface; detecting an input for selecting the predetermined menu; and executing the function of the predetermined menu at a position where the point of the user eye gaze is located on the screen.
This invention relates to user interface interaction systems that utilize eye gaze tracking to enhance user input efficiency. The problem addressed is the need for more intuitive and hands-free interaction with digital interfaces, particularly for users who may have limited mobility or prefer gaze-based navigation. The system involves tracking a user's eye gaze to determine a point of focus on a screen. When the user's gaze is detected on a predetermined menu within a user interface, the system checks whether a cursor displayed at the gaze point is aligned with the menu. If the user provides an input to select the menu, the system executes the corresponding function at the exact position where the gaze is located on the screen. This allows for precise, gaze-directed actions without requiring traditional pointing devices like mice or touchscreens. The method ensures that the selected function is performed at the specific location of the user's gaze, improving accuracy and reducing the need for additional adjustments. This approach is particularly useful in applications where fine control is necessary, such as graphic design, medical imaging, or virtual reality environments. The system may also include additional features like adaptive cursor behavior or multi-modal input validation to enhance reliability. By integrating eye gaze tracking with traditional input methods, the invention provides a more seamless and efficient user experience.
10. The method of claim 9 , wherein the input for selecting the predetermined menu includes at least one of cases where a voice is input, eye blinking is made, and the identified point of gaze stays on the predetermined menu for a time longer than a predetermined time.
11. The method of claim 8 , wherein a location of the user interface can be changed on the screen and is in a circular type or a rectangular type.
A method for adjusting the position and shape of a user interface (UI) on a display screen is disclosed. The UI is designed to facilitate user interaction with a device, such as a computer or mobile device. The method addresses the problem of fixed UI layouts, which can be inconvenient or inefficient for users who need to access the UI from different screen positions or prefer different visual formats. The UI can be dynamically repositioned anywhere on the screen, allowing users to customize its placement based on their preferences or workflow. Additionally, the UI can be displayed in either a circular or rectangular shape, providing flexibility in how information is presented. The circular UI may be particularly useful for radial menus or compact displays, while the rectangular UI may be better suited for traditional linear layouts. The method ensures that the UI remains functional and visually consistent regardless of its position or shape, enhancing usability and adaptability. This approach improves user experience by accommodating different interaction styles and screen configurations.
12. The method of claim 8 , wherein the user interface includes a first group having a menu corresponding to at least one function provided by a mouse and a second group having a menu corresponding to at least one function for controlling the display unit based on the identified point of the user eye gaze.
This invention relates to an eye-tracking system for controlling a display unit, such as a computer monitor, through user gaze interaction. The system addresses the problem of traditional input methods, like mice or keyboards, which require physical manipulation and may not be accessible or efficient for all users. The invention provides a method to enhance user interaction by integrating eye-tracking technology with a user interface that includes two distinct groups of menus. The first group contains a menu corresponding to at least one function typically provided by a mouse, such as selecting, dragging, or scrolling. The second group includes a menu for controlling the display unit based on the identified point of the user's eye gaze, such as adjusting brightness, contrast, or other display settings. The system dynamically adjusts the user interface based on the user's gaze position, allowing for seamless and intuitive control of both input functions and display settings without physical interaction. This approach improves accessibility and efficiency, particularly for users with limited mobility or those who prefer gaze-based interaction. The invention may be applied in various computing environments, including desktop computers, virtual reality systems, and assistive technologies.
13. The method of claim 12 , wherein the first group includes at least one of a menu corresponding to a left click of the mouse, a menu corresponding to a right click of the mouse, a menu corresponding to a left double click of the mouse, a menu corresponding to a drag using the mouse, a menu corresponding to a scroll using the mouse, or a menu corresponding to page switching using the mouse.
This invention relates to a computer interface system that enhances user interaction with graphical user interfaces (GUIs) by dynamically generating context-sensitive menus based on mouse input. The problem addressed is the lack of intuitive and efficient menu systems that adapt to different user actions, leading to inefficiencies in navigation and task execution. The system includes a mouse input detection module that monitors user interactions such as left clicks, right clicks, double clicks, drags, scrolls, and page switching. A menu generation module processes these inputs to determine the appropriate context-sensitive menu to display. The menus are dynamically generated based on the type of mouse action, ensuring that the most relevant options are presented to the user without requiring manual configuration or extensive navigation. For example, a left click may trigger a menu with options related to the selected object, while a right click may display a broader set of actions. Drag actions could generate menus for file operations, and scroll actions might provide navigation or zoom controls. This adaptive approach reduces the cognitive load on users by minimizing the need to memorize or search for commands, improving overall productivity. The system is particularly useful in applications where multiple actions are performed on the same interface, such as graphic design, document editing, or web browsing, where quick access to relevant functions is critical. By automating menu generation based on user behavior, the invention streamlines workflows and enhances user experience.
14. The method of claim 12 , wherein the second group includes at least one of a menu for activating the user interface, a menu for deactivating the user interface, a menu for setting the user interface, a menu for enlarging an area where a cursor of the mouse is located, a menu for switching between an eye mouse using the point of eye gaze and a normal mouse, a menu for setting a function of the eye mouse, a menu for setting location information of the eye, a menu for a camera view, a menu for setting a short-cut key, a menu for selecting data displayed on the screen, a menu for copying the selected data, a menu for pasting the copied data, or a menu corresponding to a space bar of a keyboard.
This invention relates to an eye-tracking mouse system that enhances user interaction with a computer by integrating eye gaze tracking with traditional mouse functions. The system addresses the challenge of improving accessibility and efficiency for users who may have limited mobility or prefer gaze-based control. The method involves using an eye-tracking camera to detect a user's gaze point on a screen and converting this gaze data into cursor movement or selection commands. The system includes a user interface that provides various control options, such as activating or deactivating the eye-tracking mouse, adjusting settings, and switching between eye-tracking and traditional mouse modes. The interface also includes functions for enlarging screen areas, setting eye-tracking parameters, and managing camera views. Additional features allow users to set shortcut keys, select and manipulate data on the screen, and perform actions equivalent to keyboard functions like copying and pasting. The system aims to provide a seamless and customizable interaction experience by combining eye-tracking technology with familiar computer input methods.
15. An electronic device for capturing an image, the electronic device comprising: a light emitting unit comprising at least one light emitting element for emitting a light source; a camera unit configured to capture an image based on the emitted light source; a detection unit configured to measure ambient brightness to capture the image; and a controller configured to: emit the light source by controlling a brightness strength of the light source and exposure time of the light source to capture the image based on the measured ambient brightness, generate a plurality of frames by capturing the image based on the emitted light source, and select at least one frame from among the generated plurality of frames, wherein the at least least one frame is selected based on signal to noise ratios (SNRs) of the generated plurality of frames and brightnesses of the generated plurality of frames.
An electronic device captures images in varying ambient light conditions. The device includes a light emitting unit with at least one light source, a camera unit for image capture, a detection unit to measure ambient brightness, and a controller. The controller adjusts the brightness and exposure time of the light source based on ambient brightness measurements to optimize image capture. The camera unit generates multiple frames of the same scene under controlled lighting conditions. The controller selects the best frame(s) from these captures by evaluating signal-to-noise ratios (SNRs) and brightness levels, ensuring high-quality images regardless of ambient lighting. This system improves image quality in low-light environments by dynamically adjusting illumination and selecting optimal frames. The device is useful in applications requiring reliable imaging under varying lighting conditions, such as security cameras, mobile devices, or medical imaging. The controller's ability to analyze multiple frames and select the best one based on SNR and brightness enhances image clarity and reduces noise.
16. The electronic device of claim 15 , wherein the controller is further configured to synchronize the light source with at least one of a vertical synchronization signal or a horizontal synchronization signal.
This invention relates to electronic devices with light sources, particularly for synchronization with display signals. The problem addressed is ensuring precise timing between a light source and a display's refresh cycles to improve visual performance, such as reducing flicker or enhancing motion clarity. The device includes a light source, a controller, and a display. The controller adjusts the light source's output based on display parameters, such as brightness or color, to optimize visual quality. The controller can also synchronize the light source with vertical or horizontal synchronization signals from the display. Vertical synchronization signals control the display's frame refresh rate, while horizontal synchronization signals control line-by-line scanning. Synchronizing the light source with these signals ensures the light output aligns with the display's refresh cycles, minimizing artifacts like flicker or motion blur. The controller may also dynamically adjust the light source's intensity or timing to match the display's content or user preferences. This synchronization improves visual comfort and image quality in applications like gaming, video playback, or high-dynamic-range displays.
17. The electronic device of claim 16 , wherein the controller is further configured to generate the plurality of frames in a unit of predetermined time in an active interval of the vertical synchronization signal.
This invention relates to electronic devices with display systems, particularly focusing on optimizing frame generation during active intervals of a vertical synchronization signal. The problem addressed is inefficient frame rendering, which can lead to visual artifacts or performance issues in display systems. The invention improves upon prior art by synchronizing frame generation with the vertical synchronization signal to ensure smooth and timely display updates. The electronic device includes a display panel, a controller, and a timing controller. The controller generates multiple frames of image data for display. The timing controller controls the display panel to display the frames in synchronization with a vertical synchronization signal. The controller is configured to generate the frames in predetermined time units during the active interval of the vertical synchronization signal. This ensures that frames are ready for display at the correct times, reducing latency and improving visual quality. The invention may also include additional features such as adjusting frame generation timing based on processing load or display refresh rate. The controller may dynamically allocate resources to ensure frames are generated efficiently within the active interval. This approach enhances display performance by minimizing delays and ensuring consistent frame delivery. The system is particularly useful in high-resolution or high-refresh-rate displays where precise timing is critical.
18. The electronic device of claim 15 , wherein the controller is further configured to control the brightness of the light source to be brighter than the ambient brightness.
This invention relates to electronic devices with light sources, particularly those designed to enhance visibility in low-light environments. The device includes a light source and a controller that adjusts the brightness of the light source based on ambient light conditions. The controller is configured to ensure the light source emits light at a brightness level higher than the detected ambient brightness, improving visibility for users in dark or dimly lit settings. The device may also include a sensor to measure ambient light levels, allowing the controller to dynamically adjust the light source's brightness in response to changing environmental conditions. This ensures optimal visibility without excessive brightness, conserving power while maintaining usability. The invention is particularly useful in portable or handheld electronic devices where visibility in varying light conditions is critical, such as in smartphones, tablets, or wearable devices. By automatically adjusting the light source to be brighter than the ambient light, the device enhances user experience by reducing eye strain and improving readability in low-light scenarios.
19. The electronic device of claim 15 , wherein the controller is further configured to track a point of a user eye gaze based the selected at least one frame.
This invention relates to electronic devices with eye-tracking capabilities, specifically addressing the challenge of accurately determining a user's gaze point on a display. The device includes a display screen, an eye-tracking system, and a controller. The eye-tracking system captures images of a user's eyes to detect gaze direction. The controller processes these images to identify a point of interest on the display where the user is looking. The controller selects at least one frame from the captured eye images to analyze gaze direction, improving accuracy by reducing noise or motion artifacts. The selected frames are used to calculate the precise gaze point on the display, enabling applications such as interactive interfaces, accessibility features, or user behavior analysis. The system may also adjust display content or input commands based on the detected gaze point. The invention enhances user interaction by providing real-time, accurate gaze tracking, which is particularly useful in applications requiring precise eye movement detection, such as virtual reality, augmented reality, or assistive technologies. The controller's ability to refine gaze tracking using selected frames ensures reliable performance even in dynamic environments.
20. The electronic device of claim 15 , wherein the controller is further configured to control the brightness strength of the light source by using a number of light emitting elements, brightness of the light emitting elements, and an amount of current converted from the brightness of the light emitting elements.
This invention relates to electronic devices with adjustable lighting systems, specifically addressing the challenge of precisely controlling light source brightness through multiple parameters. The device includes a light source with multiple light-emitting elements, a power supply, and a controller. The controller regulates brightness by adjusting the number of active light-emitting elements, their individual brightness levels, and the current converted from the brightness settings. This multi-parameter approach allows for fine-tuned brightness control, improving energy efficiency and performance. The power supply converts input power into a form suitable for the light source, while the controller dynamically manages the light-emitting elements to achieve desired brightness levels. The system ensures consistent and accurate lighting output by coordinating these parameters, addressing limitations in traditional single-parameter brightness control methods. The invention is particularly useful in applications requiring precise and adaptable lighting, such as displays, indicators, or ambient lighting systems.
Unknown
January 5, 2021
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